2008 Yamaha Motorsports RS Venture GT Owners Manual - Page 56

2008 Yamaha Motorsports RS Venture GT Manual

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Periodic maintenance ECS00470 CAUTION: If oil is leaking or the oil level warning indicator comes on when the engine is running, immediately turn the engine off and have a Yamaha dealer check the snowmobile. Continuing to operate the engine under such conditions could cause severe engine damage. 19. Install the bottom panel and right side cover, and then close the shroud. ESU12000 1. "COLD LEVEL" mark ECS00490 Cooling system The coolant level should be checked before each ride. In addition, the cooling system must be bled of air at the intervals specified in the periodic maintenance and lubrication chart. EWS00380 CAUTION: G G Hard water or salt water is harmful to the engine parts. You may use boiled or distilled water, if soft water is not available. Tap water can be used temporarily in an emergency. Bleeding the cooling system The cooling system must be bled of air if the coolant reservoir becomes empty, if air can be seen in the cooling system, or if there is a cooling system leak. Consult a Yamaha dealer. ECS00500 WARNING Do not remove the coolant reservoir cap when the engine is hot. Scalding hot fluid and steam may be blown out under pressure, which could cause serious injury. When the engine has cooled, place a thick rag or towel over the coolant reservoir cap, and slowly rotate the cap counterclockwise to the detent. This procedure allows any residual pressure to escape. When the hissing sound has stopped, press down on the cap while turning counterclockwise and remove it. To check the coolant level 1. Open the shroud. 2. Check the coolant level in the coolant reservoir when the engine is cold. If the coolant level is below the "COLD LEVEL" mark, add soft water until it reaches the "COLD LEVEL" mark. (See the following section "Replenishing the coolant" for more details.) CAUTION: Operating the engine with an improperly bled cooling system can cause overheating and severe engine damage. Replenishing the coolant 1. Remove the coolant reservoir cap and add coolant until it reaches the "COLD LEVEL" mark. 50

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Periodic maintenance
50
CAUTION:
ECS00470
If oil is leaking or the oil level warning indi-
cator comes on when the engine is run-
ning, immediately turn the engine off and
have a Yamaha dealer check the snowmo-
bile. Continuing to operate the engine un-
der such conditions could cause severe
engine damage.
19. Install the bottom panel and right side
cover, and then close the shroud.
ESU12000
Cooling system
The coolant level should be checked before
each ride. In addition, the cooling system
must be bled of air at the intervals specified in
the periodic maintenance and lubrication
chart.
WARNING
EWS00380
Do not remove the coolant reservoir cap
when the engine is hot. Scalding hot fluid
and steam may be blown out under pres-
sure, which could cause serious injury.
When the engine has cooled, place a thick
rag or towel over the coolant reservoir
cap, and slowly rotate the cap counter-
clockwise to the detent. This procedure al-
lows any residual pressure to escape.
When the hissing sound has stopped,
press down on the cap while turning coun-
terclockwise and remove it.
To check the coolant level
1.
Open the shroud.
2.
Check the coolant level in the coolant
reservoir when the engine is cold. If the
coolant level is below the “COLD LEVEL”
mark, add soft water until it reaches the
“COLD LEVEL” mark. (See the following
section “Replenishing the coolant” for
more details.)
CAUTION:
ECS00490
●
Hard water or salt water is harmful to the
engine parts. You may use boiled or dis-
tilled water, if soft water is not available.
●
Tap water can be used temporarily in an
emergency.
Bleeding the cooling system
The cooling system must be bled of air if the
coolant reservoir becomes empty, if air can be
seen in the cooling system, or if there is a
cooling system leak. Consult a Yamaha deal-
er.
CAUTION:
ECS00500
Operating the engine with an improperly
bled cooling system can cause overheat-
ing and severe engine damage.
Replenishing the coolant
1.
Remove the coolant reservoir cap and
add coolant until it reaches the “COLD
LEVEL” mark.
1.
“COLD LEVEL” mark